Allied with this hole in the experimental data is a huge conceptual problem: Einstein's theory of general relativity is thoroughly classical, or nonquantum.
Allied with this hole in the experimental data is a huge conceptual problem: Einstein's theory of general relativity is thoroughly classical, or nonquantum.
和这个实验资料的缺口相伴的，是个重大的观念问题：爱因斯坦的广义相对论是全然古典、或者说是非量子的。